K9AY and Bi-dir beverage controller

This revision is from 2018/09/18 21:45. You can Restore it.

K9AY and 4-way Bi-dir beverage Controller

Internal BPF and preamp PCB - OPTIONAL

Preamplifier GAIN

With the variable ATT you can set gain of the Preamp as you need.
Range is 0 to 17 dB
bigger picture